
About JSSIFounded in 1989 and headquartered in Chicago, Jet Support Services, Inc. (JSSI) is the largest independent provider of hourly cost maintenance programs for business aviation. JSSI delivers comprehensive coverage for engines, airframes, and auxiliary power units (APUs) across more than 300 different aircraft makes and models, helping owners and operators stabilize maintenance budgets, maximize aircraft availability, and protect asset value throughout the lifecycle of ownership. JSSI has built a portfolio of complementary business lines designed to simplify the economic and technical complexity of business aviation; these include Maintenance teams, Traxxall maintenance tracking software, Parts & Engines, Conklin aircraft cost and performance data, and Aviation Capital asset-based financing solutions. Together, these offerings support owners, operators, and maintenance providers with integrated tools spanning ownership and maintenance planning, execution, and financial management. With more than 6,500 aircraft supported through programs and software platforms, JSSI leverages its unique independence, unmatched scale, and data-driven insight to deliver customized solutions and support models aligned to the interests of each client — regardless of aircraft platform. JSSI is backed by leading institutional investors GTCR, Genstar Capital, and Blackstone. Learn more at jetsupport.com
The Aircraft Underwriter’s primary role is to review and underwrite contracts for the JSSI HCM programs, along with providing financial models for the life of an asset’s contract term. The Aircraft Underwriter will review cost assumptions and provide reports on how contracts are performing against the underwritten assumptions. The position is required to provide cross functional support for Asset Management with pricing, modeling, and projects as necessary
At JSSI, we are committed to rewarding our team members with competitive and comprehensive compensation packages that reflect their contributions and talent.
For this role, the annual base pay generally ranges from $75,000 to $83,000, with the final offer determined by variable factors including but not limited to market location, job-specific knowledge, skills, education, and experience. In addition, your total rewards package may include an annual discretionary bonus plan, incentive or sales bonus plan, or other form of additional compensation, based on your role.
Additionally, for full-time employees based in the USA, Canada, or the Philippines, we are proud to offer a robust suite of benefits. This ranges from insurance offerings such as medical, dental, vision, retirement savings programs, among others, starting day one of employment. For a full overview of our offerings, visit the JSSI Benefits Page on our company website.
JSSI is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or other characteristic protected by law.
JSSI does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or Recruiting Team.

For over 35 years, JSSI has been the leading independent provider of maintenance support and financial tools to the business aviation industry. With 6,000+ aircraft supported by maintenance programs and software platforms, JSSI leverages this wealth of data and purchasing power to drive cost savings and provide custom solutions that align to the interests of each client, regardless of make or model.
JSSI products and services include:
Maintenance Programs
Hourly Cost Maintenance Programs to stabilize maintenance budgets, maximize aircraft availability and enhance residual value.
Parts & Leasing
Dedicated team of product line managers and procurement specialist who leverage JSSI’s inventory & global buying power to solve your parts need.
Software
Traxxall & Conklin & de Decker: Powerful data platforms to help you make more informed decisions, from choosing the right aircraft to tracking your maintenance, inventory and MRO projects.
Advisory Services
Independent advice, project management & event oversight from our global technical team and ASA-accredited appraisers.
Aviation Capital
Customized asset-based finance solutions and structures to match your needs; JSSI Aviation Capital provides options to traditional lending.
GTCR and Genstar Capital, two leading private equity firms, are majority investors in JSSI.